According to Alan Stern, planetary scientist, the biggest public relations boost for the ISS may come from the privately funded space flight industry.
行星科学家艾伦·斯特恩认为，国际空间站最大的公关推动力可能来自私人资助的太空飞行业。
John Grant is a planetary scientist with the Smithsonian Institution.
约翰·格兰特(John Grant)是史密森尼学会的一名行星科学家。
According to planetary scientist Robin Canup, all three of Pluto's satellites could trace back to a single impact.
据行星学家罗宾·卡纳普说，冥王星的所有三个卫星可以追溯回同一次撞击。
But a recent study by an MIT planetary scientist suggests that the planetesimals themselves provided the water that created oceans.
但最近进行的一项麻省理工学院的行星科学家的研究表明，星子(planetesimals)自己提供了形成海洋的水。
You're listening to planetary scientist Alan Stern.
今天记者采访了行星科学家艾伦·斯特恩。
Chris McKay, a planetary scientist at NASA's Ames research centre, in California, points out that, as Cassini has already demonstrated, the water jets make a mission easy.
NASA位于加利福尼亚州艾姆斯研究中心的卫星科学家克里斯·麦凯指出，正如卡西尼号已经证明的那样，水射流能够让任务变得简单。
Planetary scientist Alan Stern, former NASA associate administrator for science, said it is a "very clever new idea," but one that is not easily tested to learn whether it is right.
行星研究学家艾伦·斯坦，NASA前科研协理署长，称新理论“十分新颖独特，”但不容易证明其正确性。
Planetary scientist Alan Stern, former NASA associate administrator for science, said it is a "very clever new idea," but one that is not easily tested to learn whether it is right.
行星研究学家艾伦·斯坦，NASA前科研协理署长，称新理论“十分新颖独特，”但不容易证明其正确性。
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